450489673 has 4 divisors (see below), whose sum is σ = 461477268. Its totient is φ = 439502080.

The previous prime is 450489671. The next prime is 450489691. The reversal of 450489673 is 376984054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 216766729 + 233722944 = 14723^2 + 15288^2 .

It is a cyclic number.

It is not a de Polignac number, because 450489673 - 2¹ = 450489671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450489671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5493736 + ... + 5493817.

It is an arithmetic number, because the mean of its divisors is an integer number (115369317).

Almost surely, 2^450489673 is an apocalyptic number.

It is an amenable number.

450489673 is a deficient number, since it is larger than the sum of its proper divisors (10987595).

450489673 is a wasteful number, since it uses less digits than its factorization.

450489673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10987594.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 450489673 is about 21224.7420007877. The cubic root of 450489673 is about 766.5872879589.

The spelling of 450489673 in words is "four hundred fifty million, four hundred eighty-nine thousand, six hundred seventy-three".